{"id":8736,"date":"2025-11-26T10:00:47","date_gmt":"2025-11-26T10:00:47","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/11\/26\/yamagoya-real-time-threat-monitoring-tool-using-sigma-and-yara-rules\/"},"modified":"2025-11-26T10:00:47","modified_gmt":"2025-11-26T10:00:47","slug":"yamagoya-real-time-threat-monitoring-tool-using-sigma-and-yara-rules","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/11\/26\/yamagoya-real-time-threat-monitoring-tool-using-sigma-and-yara-rules\/","title":{"rendered":"YAMAGoya \u2013 Real-Time Threat Monitoring Tool Using Sigma and YARA Rules"},"content":{"rendered":"

YAMAGoya \u2013 Real-Time Threat Monitoring Tool Using Sigma and YARA Rules
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Modern cybersecurity faces an escalating challenge: fileless malware and obfuscation techniques increasingly bypass traditional file-based detection methods.<\/p>\n

To address this growing threat, JPCERT\/CC has released YAMAGoya. This open-source threat hunting tool leverages industry-standard detection rules to identify suspicious activity in real time.<\/p>\n

YAMAGoya represents a significant advancement in endpoint threat detection by combining Event Tracing for Windows<\/a> (ETW) event monitoring with memory scanning capabilities.<\/p>\n

Open-Source Endpoint Detection Solution <\/strong><\/h2>\n

Unlike conventional security tools that rely on proprietary detection engines, YAMAGoya directly supports Sigma and YARA rules.<\/p>\n

Enabling security analysts to deploy community-driven detection logic across their infrastructure.<\/p>\n

The tool operates entirely in userland, requiring no kernel driver installation, which simplifies deployment across organizational environments.<\/p>\n

Its real-time monitoring<\/a> capabilities track files, processes, registry modifications, DNS queries, network connections, PowerShell execution, and WMI commands simultaneously.<\/p>\n

\"YAMAGoya
YAMAGoya startup screen<\/figcaption><\/figure>\n

This comprehensive approach enables the detection of both traditional and fileless malware threats.<\/p>\n

According to JPCERT\/CC, YAMAGoya supports multiple rule formats, including Sigma rules, YARA rules for memory scanning, and custom YAML rules for correlation-based detection.<\/p>\n

JPCERT\/CC security teams can create sophisticated detection logic that correlates multiple events.<\/p>\n

Such as file creation followed by process execution, DLL loading<\/a>, and network communication, to identify malicious activity patterns.<\/p>\n

The tool is available for immediate evaluation through pre-built binaries on GitHub, with source code available for organizations requiring custom builds.<\/p>\n

YAMAGoya operates via both graphical and command-line<\/a> interfaces, accommodating different operational preferences.<\/p>\n

\"YAMAGoya's
YAMAGoya\u2019s Alert tab<\/figcaption><\/figure>\n

Users can run Sigma rule monitoring or memory scanning with simple commands, provided they have administrative privileges.<\/p>\n

JPCERT\/CC detection alerts<\/a> appear in the tool\u2019s interface. They are logged to Windows Event Log <\/a>with specific event IDs for integration with security information and event management (SIEM) systems.<\/p>\n

This enables centralized monitoring and alerting across enterprise environments. By supporting industry-standard detection rules, YAMAGoya democratizes advanced threat detection <\/a>capabilities.<\/p>\n

JPCERT\/CC researchers and incident responders can now leverage community-developed Sigma and YARA rules without vendor lock-in, strengthening the collective cybersecurity defense posture against emerging threats.<\/p>\n

Follow us on Google News<\/a>, LinkedIn<\/a>, and X<\/a> for daily cybersecurity updates. Contact us<\/a> to feature your stories.<\/strong><\/p>\n

The post YAMAGoya \u2013 Real-Time Threat Monitoring Tool Using Sigma and YARA Rules<\/a> appeared first on Cyber Security News<\/a>.<\/p>\n<\/div>\n

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YAMAGoya \u2013 Real-Time Threat Monitoring Tool Using Sigma and YARA Rules Modern cybersecurity faces an escalating challenge: fileless malware and obfuscation techniques increasingly bypass traditional file-based detection methods. To address this growing threat, JPCERT\/CC has released YAMAGoya. This open-source threat hunting tool leverages industry-standard detection rules to identify suspicious activity in real time. YAMAGoya represents […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129,63,1709],"tags":[130],"class_list":["post-8736","post","type-post","status-publish","format-standard","hentry","category-cyber-security","category-cyber-security-news","category-cyberpedia","tag-cyber-security-news"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/8736"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=8736"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/8736\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=8736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=8736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=8736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}